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Finding the Fourth Proportional to 513,660.40, 770,490.60 and 482,556.40

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Solution

The fourth proportional to 513,660.40, 770,490.60 and 482,556.40 is: 723,834.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,660.40 : 770,490.60 = 482,556.40 : x
  2. Step 2: Convert to fraction form
    513,660.40/770,490.60 = 482,556.40/x
  3. Step 3: Cross multiply
    513,660.40x = 770,490.60 × 482,556.40
  4. Step 4: Simplify right side
    513,660.40x = 371,805,170,169.84
  5. Step 5: Solve for x
    x = 371,805,170,169.84/513,660.40
  6. Step 6: Final answer
    x = 723,834.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.